dioecious

Which one is native to the Pacific Northwest?

Three of these might be found on your dinner table. The other is a native tree of the Pacific Northwest. Which are which?

It's snowing ... fluffy seeds of black cottonwood!

What is that "snow" drifting through the air? It's the fluffy seeds of black cottonwood.

What are female cones and male cones?

What are seed cones? What are pollen cones? Are they different? Learn about cones here.